How do I get Price Alerts for flights from Colorado to Belfast Intl Airport?

Confirm your travel details to search for the latest offers for flights from Colorado to Belfast Intl Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Colorado to Belfast Intl Airport with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Colorado to Belfast Intl Airport?

Prices for flights from Colorado to Belfast Intl Airport refresh daily.

How old do you have to be to fly from Colorado to Belfast Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Belfast Intl Airport.

What documentation or ID do you need to fly to Belfast Intl Airport?

The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£334 Cheap Flights from Colorado to Belfast Intl Airport in 2025/26

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0 bags

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Find the cheapest flights from Colorado to Belfast

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:40 - 21:05DEN-BFS

21h 25m2 stops

20:15 - 18:55BFS-DEN

29h 40m3 stops

£884Multiple Airlines

Find Deal

Sat, 2 May - Sat, 9 May

16:40 - 21:05DEN-BFS

21h 25m2 stops

09:40 - 18:55BFS-DEN

16h 15m2 stops

£1,020Multiple Airlines

Find Deal

Sat, 2 May - Sat, 9 May

13:25 - 22:00DEN-BFS

25h 35m3 stops

06:30 - 18:05BFS-DEN

18h 35m2 stops

£1,571Multiple Airlines

Find Deal

Fri, 19 Dec - Fri, 26 Dec

13:25 - 22:00DEN-BFS

25h 35m3 stops

09:10 - 08:32BFS-DEN

30h 22m3 stops

£1,580Multiple Airlines

Find Deal

Fri, 19 Dec - Fri, 26 Dec

15:40 - 17:10DEN-BFS

18h 30m2 stops

06:30 - 18:05BFS-DEN

18h 35m2 stops

£2,275Multiple Airlines

Find Deal

Fri, 19 Dec - Fri, 26 Dec

momondo Fare Finder

Use the filters below to find and compare flights from Colorado to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sat 2/5

16:40-21:05

2 stops21h 25m

Belfast Intl

Sat 9/5

20:15-18:55

3 stops29h 40m

£884

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sat 2/5

16:40-21:05

2 stops21h 25m

Belfast Intl

Sat 9/5

09:40-18:55

2 stops16h 15m

£1,020

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 19/12

13:25-22:00

3 stops25h 35m

Belfast Intl

Fri 26/12

06:30-18:05

2 stops18h 35m

£1,571

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 19/12

13:25-22:00

3 stops25h 35m

Belfast Intl

Fri 26/12

09:10-08:32

3 stops30h 22m

£1,580

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 19/12

15:40-17:10

2 stops18h 30m

Belfast Intl

Fri 26/12

06:30-18:05

2 stops18h 35m

£2,275

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 15/4

11:05-15:15

3 stops21h 10m

£334

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Thu 15/1

17:25-19:35

2 stops19h 10m

£346

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 15/4

16:05-22:25

2 stops23h 20m

£432

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sat 20/12

22:51-07:55

3 stops50h 04m

£595

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sat 20/12

23:59-07:55

2 stops48h 56m

£732

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Colorado to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Belfast Intl Airport

Direct flights	None

There are no direct flights from Colorado to Belfast Intl Airport. There are no popular flight routes from Colorado to Belfast Intl Airport.

Search flight deals

When did momondo last update prices for flights from Colorado to Belfast Intl Airport?
Prices for flights from Colorado to Belfast Intl Airport refresh daily.
How old do you have to be to fly from Colorado to Belfast Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Colorado to Belfast Intl Airport?
Confirm your travel details to search for the latest offers for flights from Colorado to Belfast Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Colorado to Belfast Intl Airport with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Ballymena

Newry

Armagh

Cookstown

Dungannon

Portadown

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Belfast?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Belfast for you.

Can I find flights from Colorado to Belfast with flexible booking policies on momondo?

momondo does allow users to show only those flights to Belfast from Colorado which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Colorado to Belfast?

momondo provides multiple filters to help you find the best flight to Belfast from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Colorado to Belfast right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Colorado and alert you when they change.